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289 lines
6.3 KiB
289 lines
6.3 KiB
/*
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* Copyright © 2014 Pekka Paalanen <pq@iki.fi>
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* Copyright © 2014 Collabora, Ltd.
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of the copyright holders not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The copyright holders make
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <time.h>
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#include <assert.h>
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#include "timeline.h"
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#include "compositor.h"
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#include "file-util.h"
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struct timeline_log {
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clock_t clk_id;
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FILE *file;
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unsigned series;
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struct wl_listener compositor_destroy_listener;
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};
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WL_EXPORT int weston_timeline_enabled_;
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static struct timeline_log timeline_ = { CLOCK_MONOTONIC, NULL, 0 };
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static int
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weston_timeline_do_open(void)
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{
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const char *prefix = "weston-timeline-";
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const char *suffix = ".log";
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char fname[1000];
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timeline_.file = file_create_dated(prefix, suffix,
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fname, sizeof(fname));
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if (!timeline_.file) {
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const char *msg;
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switch (errno) {
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case ETIME:
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msg = "failure in datetime formatting";
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break;
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default:
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msg = strerror(errno);
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}
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weston_log("Cannot open '%s*%s' for writing: %s\n",
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prefix, suffix, msg);
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return -1;
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}
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weston_log("Opened timeline file '%s'\n", fname);
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return 0;
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}
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static void
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timeline_notify_destroy(struct wl_listener *listener, void *data)
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{
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weston_timeline_close();
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}
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void
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weston_timeline_open(struct weston_compositor *compositor)
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{
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if (weston_timeline_enabled_)
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return;
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if (weston_timeline_do_open() < 0)
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return;
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timeline_.compositor_destroy_listener.notify = timeline_notify_destroy;
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wl_signal_add(&compositor->destroy_signal,
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&timeline_.compositor_destroy_listener);
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if (++timeline_.series == 0)
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++timeline_.series;
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weston_timeline_enabled_ = 1;
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}
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void
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weston_timeline_close(void)
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{
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if (!weston_timeline_enabled_)
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return;
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weston_timeline_enabled_ = 0;
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wl_list_remove(&timeline_.compositor_destroy_listener.link);
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fclose(timeline_.file);
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timeline_.file = NULL;
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weston_log("Timeline log file closed.\n");
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}
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struct timeline_emit_context {
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FILE *cur;
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FILE *out;
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unsigned series;
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};
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static unsigned
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timeline_new_id(void)
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{
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static unsigned idc;
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if (++idc == 0)
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++idc;
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return idc;
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}
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static int
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check_series(struct timeline_emit_context *ctx,
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struct weston_timeline_object *to)
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{
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if (to->series == 0 || to->series != ctx->series) {
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to->series = ctx->series;
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to->id = timeline_new_id();
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return 1;
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}
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if (to->force_refresh) {
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to->force_refresh = 0;
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return 1;
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}
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return 0;
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}
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static void
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fprint_quoted_string(FILE *fp, const char *str)
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{
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if (!str) {
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fprintf(fp, "null");
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return;
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}
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fprintf(fp, "\"%s\"", str);
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}
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static int
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emit_weston_output(struct timeline_emit_context *ctx, void *obj)
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{
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struct weston_output *o = obj;
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if (check_series(ctx, &o->timeline)) {
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fprintf(ctx->out, "{ \"id\":%u, "
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"\"type\":\"weston_output\", \"name\":",
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o->timeline.id);
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fprint_quoted_string(ctx->out, o->name);
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fprintf(ctx->out, " }\n");
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}
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fprintf(ctx->cur, "\"wo\":%u", o->timeline.id);
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return 1;
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}
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static void
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check_weston_surface_description(struct timeline_emit_context *ctx,
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struct weston_surface *s)
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{
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struct weston_surface *mains;
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char d[512];
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char mainstr[32];
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if (!check_series(ctx, &s->timeline))
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return;
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mains = weston_surface_get_main_surface(s);
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if (mains != s) {
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check_weston_surface_description(ctx, mains);
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if (snprintf(mainstr, sizeof(mainstr),
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", \"main_surface\":%u", mains->timeline.id) < 0)
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mainstr[0] = '\0';
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} else {
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mainstr[0] = '\0';
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}
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if (!s->get_label || s->get_label(s, d, sizeof(d)) < 0)
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d[0] = '\0';
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fprintf(ctx->out, "{ \"id\":%u, "
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"\"type\":\"weston_surface\", \"desc\":", s->timeline.id);
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fprint_quoted_string(ctx->out, d[0] ? d : NULL);
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fprintf(ctx->out, "%s }\n", mainstr);
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}
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static int
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emit_weston_surface(struct timeline_emit_context *ctx, void *obj)
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{
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struct weston_surface *s = obj;
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check_weston_surface_description(ctx, s);
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fprintf(ctx->cur, "\"ws\":%u", s->timeline.id);
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return 1;
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}
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static int
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emit_vblank_timestamp(struct timeline_emit_context *ctx, void *obj)
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{
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struct timespec *ts = obj;
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fprintf(ctx->cur, "\"vblank\":[%" PRId64 ", %ld]",
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(int64_t)ts->tv_sec, ts->tv_nsec);
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return 1;
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}
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typedef int (*type_func)(struct timeline_emit_context *ctx, void *obj);
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static const type_func type_dispatch[] = {
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[TLT_OUTPUT] = emit_weston_output,
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[TLT_SURFACE] = emit_weston_surface,
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[TLT_VBLANK] = emit_vblank_timestamp,
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};
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WL_EXPORT void
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weston_timeline_point(const char *name, ...)
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{
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va_list argp;
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struct timespec ts;
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enum timeline_type otype;
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void *obj;
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char buf[512];
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struct timeline_emit_context ctx;
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clock_gettime(timeline_.clk_id, &ts);
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ctx.out = timeline_.file;
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ctx.cur = fmemopen(buf, sizeof(buf), "w");
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ctx.series = timeline_.series;
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if (!ctx.cur) {
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weston_log("Timeline error in fmemopen, closing.\n");
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weston_timeline_close();
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return;
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}
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fprintf(ctx.cur, "{ \"T\":[%" PRId64 ", %ld], \"N\":\"%s\"",
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(int64_t)ts.tv_sec, ts.tv_nsec, name);
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va_start(argp, name);
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while (1) {
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otype = va_arg(argp, enum timeline_type);
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if (otype == TLT_END)
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break;
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obj = va_arg(argp, void *);
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if (type_dispatch[otype]) {
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fprintf(ctx.cur, ", ");
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type_dispatch[otype](&ctx, obj);
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}
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}
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va_end(argp);
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fprintf(ctx.cur, " }\n");
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fflush(ctx.cur);
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if (ferror(ctx.cur)) {
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weston_log("Timeline error in constructing entry, closing.\n");
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weston_timeline_close();
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} else {
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fprintf(ctx.out, "%s", buf);
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}
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fclose(ctx.cur);
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}
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